Specification Brand : CAI - NORTON BulletPoint : Features: The grinder engraving kit is necessary for DIY carving and grinding. This electric carving tool has six infinite speed adjustment. Suitable for metal agate nuclear carving wood carving. Manual sculpture, polished jade, stone, glass, wood, computer case, circuit boards, PC material drilling. High power and long using life electric drill. Perfect electric grinder for cutting, engraving, milling, grinding, polishing, removing and drilling. Color : Blue ConstructionType : Mounted Points ExternallyAssignedProductIdentifier1 : 0727079853268 ExternallyAssignedProductIdentifier2 : 727079853268 IndustryStandardIdentifier : B52 ItemName : Norton Vitrified Mounted Point, 60 Grit, Medium Grade Aluminum Oxide, 1-3/8" Dia. ItemPackageDimensions_Height : 2 inches ItemPackageDimensions_Length : 2 inches ItemPackageDimensions_Width : 2 inches ItemPackageQuantity : 1 ItemTypeKeyword : abrasive-grinding-mounted-points Manufacturer : CAI - NORTON Material : aluminum oxide MaximumRotationalSpeed : 30560 rpm MinimumSpeed : 8000 rpm ModelNumber : Electric Grinding Set Regulating NumberOfItems : 1 PartNumber : 61463624399 ProductDescription : Mounted points are for use on die or in-line/ straight shaft grinders. Gemini Vitrified point is aluminum oxide abrasive 38A in a vitrified bond.